Virus Weekly articles from February 2004

Virus Weekly archives from February 2004

To avoid detection, HIV disrupts immune cell migration.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The HIV protein Nef sparked intensive research after observations that patients with a rare strain of HIV lacking Nef took a very long time to develop AIDS symptoms. Nef has been linked to molecules...

Palivizumab used for prophylaxis against respiratory syncytial virus.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Palivizumab is recommended for use as prophylaxis against respiratory syncytial virus in infants with congenital cardiac disease. "New data are emerging on the use of palivizumab as prophylaxis...

Cdk1/cyclin B1 kinase mechanism in cytomegalovirus infection reported.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Scientists report the mechanisms governing maintenance of Cdk1/cyclin B1 kinase activity in cells infected with human cytomegalovirus in a recent issue of the Journal of Virology. According to...

Rhesus monkey Rhadinovirus valuable as KSHV model.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Rhesus monkey Rhadinovirus (RRV) can facilitate the study of the virus responsible for Kaposi sarcoma. According to published research from the United States, RRV "is one of the closest...

Why is this year's flu so severe?
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Why is this year's flu packing such a wallop? And why is it taking such a harsh toll on young children? One reason is that the flu virus has changed, or mutated, slightly in the 9 months since flu...

Factors affecting GB virus viability identified.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- A number of factors affecting GBV-C viability have been identified. "GB virus C/hepatitis G virus (GBV-C) replication in vitro is inefficient and inconsistent," virologists in the United States...

Clinton: Costs of AIDS tests will plummet in Africa, Caribbean.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- An agreement with five medical technology companies could help reduce the costs of treating HIV-infected people in Africa and the Caribbean by up to 80%, former President Bill Clinton said in announcing...

Indian gay groups to fight AIDS among homosexuals, street children.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- India's secretive gay community is emerging to fight the fast spread of the AIDS disease among homosexuals and street children. At least 10 homosexual groups have formed a common platform called...

Analysis of CD8+ T-cell response after adenovirus vaccination presented.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Scientists provide a detailed analysis of the CD8+ T-cell response following adenovirus vaccination in a recent issue of the Journal of Virology. According to a study from Canada, "We examined CD8+...

Lamivudine prevents rituximab-induced hepatitis B virus reactivation.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Lamivudine prevents rituximab-induced hepatitis B virus reactivation. According to researchers in Japan, "we used regimens containing rituximab in the treatment of five hepatitis B virus surface...

WHO: Bird flu not moving human to human.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Health officials are hoping a chicken flu that has killed at least three people in Vietnam won't start spreading from person to person, and a genetic study has provided encouragement, a health agency...

Screening strategies of cervical cancer high-risk region compared.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Highly accurate screening for cervical cancer and cervical intraepithelial neoplasia grade 3 (CIN 3) is now technically feasible, but the remaining vital issue is to extend improved cervical cancer...

Alliance to develop, commercialize influenza vaccines.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Aventis (AVE) and Crucell N.V. (CRXL) announced that they have entered into a strategic agreement to further develop and commercialize novel influenza vaccine products based on Crucell's proprietary...

Thailand epidemics have 3-year cycle.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Dengue fever epidemics in Thailand occur in a predictable 3-year cycle, new research reveals. The discovery may aid the allocation of resources needed to contain future outbreaks. Dengue fever is a...

Enteroviruses as causative agent of type 1 diabetes reviewed.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Researchers review the evidence that enteroviruses are a causative agent of type 1 diabetes in a recent issue of Diabetes - Metabolism Research and Reviews. "The development of type 1 diabetes...

Federal government report illustrates current diphtheria risks.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- According to the January 9 issue of the U.S. Centers for Disease Control and Prevention's (CDC) Morbidity & Mortality Weekly Report (MMWR), a recent case of fatal diphtheria was diagnosed in a U.S....

Age and liver status connect hepatitis C virus infection with type 2 diabetes.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Age and liver status connect hepatitis C virus infection with type 2 diabetes. "Past studies of the relation between hepatitis C virus (HCV) infection and type 2 diabetes conflict. The authors aimed...

Aminoglycoside-arginine conjugates show promise as antiretroviral agents.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- A series of novel compounds show great promise as antiretroviral agents. In a recent study, scientists in Israel "designed and synthesized aminoglycoside-arginine conjugates (AACs) as potential...

CsA derivatives show promise as antiretroviral agents.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- A series of novel CsA-derived agents strongly inhibit HIV activity with limited immunomodulatory effects. In a study conducted by M. Evers and colleagues at Aventis Pharma S.A. in Vitry-sur-Seine,...

Fullerene C[subscript]60 derivatives have antiretroviral activity.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Novel [60]fullerene derivatives have demonstrated potent antiretroviral activity. According to recent research from Italy, "A new series of bis-functionalized fullerene C[subscript]60 derivatives...

L-chicoric acid analogues strongly inhibit HIV integrase.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- A series of novel L-chicoric acid derivatives provide improved inhibition of HIV integrase compared with their parent drugs. "HIV integrase catalyzes the integration of HIV DNA copy into the host...

Lysine sulfonamides inhibit HIV protease.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Novel sulfonamides show promise as HIV protease inhibitors. In a recent study from Canada, "A series of Nalpha-isobutyl-Nalpha-arylsulfonamido-(Nepsilon acyl) lysine and lysinol derivatives were...

Novel nucleoside analogues fail to show anti-HIV activity.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- A series of novel nucleoside analogues have failed to demonstrate anti-HIV activity. D. Egron and colleagues working at the University of Montpellier II described the results of their "detailed...

Outbreaks are simultaneous "mini-epidemics".
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Although they may appear as single outbreaks quickly spread by people and wildlife, recent flare-ups of the deadly Ebola virus in Central Africa are actually multiple epidemics of different viral...

Leading AIDS experts criticize U.S.-sponsored HIV vaccine trial in Thailand.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Several national AIDS experts criticized a U.S. government-sponsored clinical research trial of an AIDS vaccine in Thailand in a recent journal report. The 22 researchers said that there are no...

UNAIDS responds to Kenyan charges of HIV prevalence overestimation.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Recent news reports claiming that UNAIDS and World Health Organization (WHO) HIV/AIDS estimates are "overestimated" are unfounded, according to the United Nations group. The reports cited a...

Moderate exercise improves HQOL in HIV patients.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- A moderate exercise regimen can significantly improve the physical well-being of HIV patients. Scientists in Germany conducted a study "to examine the effects of a 16-week exercise intervention on...

Reversible cardiomyopathy reported after perinatal HIV infection.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The first known case of reversible cardiomyopathy after perinatal HIV infection has been reported. Cardiologists in Brazil described their experience treating "a patient with advanced perinatal...

Smallpox likely historic cause of CCR5-Delta32 mutation.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Contrary to conventional wisdom, smallpox is the likely historic cause of the CCR5-Delta32 mutation in Europeans. "The high frequency, recent origin, and geographic distribution of the CCR5-Delta32...

When it comes to contact notification, HIV is not TB.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- When it comes to contact notification, HIV infection must be treated differently than tuberculosis. According to published research from the United States, "HIV partner notification can help...

Dried blood suitable for HIV diagnosis in the field.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Dried blood samples are suitable for diagnosis of HIV under field conditions. According to published research from Zambia, "The increasing availability of antiretroviral drugs to HIV-infected...

Chromosomal events in HIV transcriptional activation clarified.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The process of HIV transcriptional activation has been elucidated. "In HIV-1 infected cells, the LTR promoter, once organized into chromatin, is transcriptionally inactive in the absence of...

PTSD has some beneficial effects in HIV patients.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Surprisingly, PTSD appears to have some beneficial effects in HIV patients. "Previous research has reported rates of posttraumatic stress disorder (PTSD) following diagnosis with a life-threatening...

First case of ITG in HIV patient without hepatitis reported.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- A unique case of ITG in an HIV patient without hepatitis has been reported. Nephrologists in Pennsylvania described "the first case of immunotactoid glomerulopathy (ITG) in a human immunodeficiency...

Opioids can impair neuroprotective effects of retinoids.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Opioid use and abuse can counteract the neuroprotective effects of retinoids in HIV patients. "Among injection drug users, human immunodeficiency virus (HIV) type 1 infection may be associated with...

M. tuberculosis co-infection possible in HIV CAP patients.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- M. tuberculosis co-infection should be tested for in HIV patients with refractory CAP. According to physicians in South Africa, "Pulmonary infections with more than one organism are common in human...

Novel regimen may improve disseminated aspergillosis survival.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- A novel treatment regimen may improve survival in disseminated aspergillosis patients. Researchers in Israel conducted a study "to assess the efficacy of amphotericin B (AMB), AMB-intralipid...

Delayed rectal viral dissemination seen in acutely SIV-infected macaques.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Surprisingly, viral activity is subdued shortly after rectal SIV infection in macaques. "Rectal infection of macaques by SIV is a model for rectal HIV transmission," according to virologists in...

HIV Vpu overcomes dominant host restriction in human cells.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The HIV Vpu protein overcomes a dominant host restriction mechanism in human cells. "Human cells resist viral infections by a variety of mechanisms. Viruses must overcome host cell restrictions to...

HIV nuclear entry does not require mitosis in cycling cells.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- HIV nuclear entry is mitosis-independent in cycling cells. "An essential step in human immunodeficiency virus type 1 (HIV-1) replication is the movement of the viral preintegration complex from the...

Human leukocyte elastase can act as HIV coreceptor.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Human leukocyte elastase (HLE) can act as an HIV coreceptor. According to recent research from New York, HLE "interacts with HIV-1 glycoprotein (gp)41, suggesting a nonenzymatic receptor function...

Mechanisms of NK cell impairment during HIV infection identified.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The molecular mechanisms of natural killer (NK) cell impairment during HIV infection have been identified. NK cells "play a central role in host defense against various pathogens," scientists in...

"Sengas" can effectively teach HIV prevention behavior to Ugandan girls.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The cooperation of traditional "sengas" can improve anti-HIV interventions for Ugandan girls. "Although adolescent girls in Uganda are particularly vulnerable to HIV infection, providing relevant...

Efficacy of HIV VCT in Thailand evaluated.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The efficacy of HIV VCT programs in Thailand has been evaluated. "The Thai government began HIV voluntary counselling and testing (VCT) in all provinces in 1992," researchers there explained. ...

Atazanavir is novel azapeptide inhibitor of HIV-1 protease.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Atazanavir is a novel azapeptide inhibitor of the HIV-1 protease. "Atazanavir is a novel azapeptide protease inhibitor (PI) that has been approved by Food and Drug Administration (FDA) for use in...

Viral fitness determines viral rebound during treatment interruptions.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- HIV fitness determines viral rebound during planned therapy interruptions. According to recent research from Switzerland, "Human immunodeficiency virus type 1 (HIV-1) isolates from 20 chronically...

Argentina IDUs have high HIV rate.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Drug injecters in Argentina have a high rate of HIV infection. Researchers there conducted a study "to compile published data and to describe the prevalences of human immunodeficiency virus (HIV)...

FDA approves Invirase Boosted with ritonavir for use in treatment of HIV/AIDS.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Roche announced U.S. Food and Drug Administration (FDA) approval of its protease inhibitor Invirase (saquinavir mesylate 1000 mg) for use with ritonavir (100 mg) in combination regimens for the...

Specialist clinic service for HIV+ mineworkers helps prevent TB.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- A novel clinic helps prevent tuberculosis and other infections in HIV+ mineworkers. "Occupational settings offer an ideal opportunity to provide preventive health services for HIV-infected workers,"...

IgG antibodies confer sterilizing protection to SHIV-infected macaques.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Transfer of neutralizing IgG antibodies to macaques 6 hours (but not 24 hours) after SHIV infection conferred sterilizing protection. According to a study from the United States, "Passive transfer...

Vaccinia virus DIs expressing SIV gag controls SHIV in monkeys.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Intravenous inoculation of replication-deficient recombinant vaccinia virus DIs expressing simian immunodeficiency virus (SIV) gag controls highly pathogenic SHIV in monkeys. "To be effective, a...

HIV genital tract shedding linked to plasma viremia.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- HIV genital tract shedding is correlated with plasma viremia. In a recent study, researchers "examined 30 HIV-infected women in Manila to assess the relationship between cervicovaginal and plasma...

Erythropoietin amends therapy-induced anemia in patients with hepatitis C.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Erythropoietin amends therapy-induced anemia in patients with hepatitis C. "We are presenting 20 patients with hepatitis C, who developed anemia on interferon alpha-2b/ribavirin treatment and were...

Hepatitis B virus X protein does not impair nucleotide excision repair.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Hepatitis B virus X protein does not impair nucleotide excision repair. According to recent research from South Africa, "the X protein (HBx) of hepatitis B virus (HBV) is thought to compromise...

Proline 495 could be targeted by small-molecule inhibitors of HCV polymerase.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Proline 495 could be targeted by small-molecule inhibitors of HCV polymerase. "The RNA-dependent RNA polymerase of hepatitis C virus (HCV) is the catalytic subunit of the viral RNA amplification...

FDA approves Pegasys prefilled syringes.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Roche announced that the U.S. Food and Drug Administration (FDA) has approved prefilled syringes of Pegasys (Peginterferon alfa-2a) for the treatment of chronic hepatitis C. Pegasys, a pegylated...

Hepatitis C glycoprotein expression leads to cryptic intron excision.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Expression of unmodified hepatitis C virus envelope glycoprotein-coding sequences leads to cryptic intron excision and cell surface expression of E1/E2 heterodimers comprising full-length and partially...

Entangled signals define the nature of cytotoxic T cell-linked liver injury.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Entangled signals define the nature of cytotoxic T cell-linked liver injury. "To understand the role of cytotoxic T cells in liver damage and viral control, we used human histocompatibility...

California organization says it will be first to use HPV test routinely.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Digene Corp. (DIGE) announced that by the spring of this year, its DNAwithPap Test will be offered to all women 30 and older by Kaiser Permanente's Northern California Region, to better identify who is...

Effectiveness of preventive HPV vaccination reviewed.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Researchers review data on the effectiveness of preventive human papillomavirus (HPV) vaccination in a recent issue of the International Journal of STD and AIDS. According to a study from Finland,...

The pathophysiology of autoimmune hepatitis involves complex mechanisms.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The pathophysiology of autoimmune hepatitis involves complex mechanisms. According to a study from Mexico, "autoimmune hepatitis (AIH) is an inflammatory disease of unknown cause characterized by...

CDC study: Flu shot doesn't fend off related illnesses.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- This season's flu vaccine offers little or no protection against flu-like illnesses, according to a U.S. study. The study of 1818 Colorado hospital workers who received flu shots found that only...

HFE gene mutations associate with fibrosis in chronic hepatitis C patients.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- HFE gene mutations associate with fibrosis in chronic hepatitis C patients. "Mild iron overload in chronic hepatitis C is associated with liver fibrosis, hepatitis C virus (HCV) genotype 1b...

LightCycler, TaqMan tests equally suitable for pediatric MRD measurement.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- LightCycler- and TaqMan-based tests are equally suitable for measuring MRD in pediatric ALL patients. "Quantification of residual leukemic cells at early time points during therapy can reliably...

G protein-coupled receptors could participate in regulating metastatic melanoma.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Researchers report the first evidence that G protein-coupled receptors could participate in the regulation of melanoma metastasis. "According to recent research from Japan, "We have recently...

Spatial pattern of dengue vector in Peru characterized.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The distribution of the dengue mosquito vector in Peru has been clarified. In a recent study, scientists in California examined "the spatial pattern of Aedes aegypti and the containers in which they...

An international working group reports on the epidemiology of neonatal tumors.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Study concludes that certain cytogenetic anomalies appear to be specific to neonates. "Neonatal tumors occur every 12,500 to 27,500 live births and comprise 2% of childhood malignancies, but there...

Hepatitis B virus DNA fluctuations mark cell injury and cancer potential.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Hepatitis B virus DNA fluctuations mark cell injury and cancer potential. "Chronic hepatitis B virus (HBV) carriers with high-titer viremia (>10[superscript]5 virions/ml) are at increased risk for...

Quinone oxidoreductase induces growth inhibition of pancreatic cancer.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Research suggests that altering the intracellular redox environment of pancreatic cancer cells may inhibit growth and delineate a potential strategy directed against pancreatic cancer. ...

U.S. patent granted for treatment of human papillomavirus infections.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Advanced Viral Research Corp. (ADVR) announced that it has been awarded U.S. Patent Number 6.670,118 entitled "Method for Treating Papillomavirus Infections." The patent describes the use of AVR118...

Hepatitis A virus is a major cause of fulminant hepatitis in Turkish youth.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Hepatitis A virus is a major cause of fulminant hepatitis in Turkish youth. "Fulminant hepatic failure is a rare and devastating event during childhood. The etiology of liver failure is reported to...

Pan-pestivirus PCR primers cross-react with poliovirus genome.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Researchers report that pan-pestivirus PCR primers cross-react with the poliovirus genome. According to recent research from Slovakia and the U.K., "When several human vaccines were tested for...

Vaccine elicits immune response against respiratory syncytial virus.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Mucosal delivery of fusion glycoprotein with a CpG oligodeoxynucleotide adjuvant elicited a significant immune response to respiratory syncytial virus infection. According to a study from the United...

Challenges remain for containing respiratory disease.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- The world is much better prepared to handle SARS than it was the last time around, but efforts to refine diagnostic tests, develop the right treatment and trace where the virus is coming from remain...

Company accelerates new oral SARS prevention program.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Hemispherx Biopharma, Inc., (HEB) is accelerating its experimental SARS treatment, including preparation of the clinical investigator's brochure and related packaging/labeling materials. The...

High-dose pulse corticosteroid treatment more effective than low-dose therapy.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- High-dose pulse corticosteroid treatment for SARS is superior to low-dose therapy. According to a study from China, "The treatment of atypical pneumonia, subsequently termed severe acute respiratory...

Inhibition of SARS coronavirus with Neugene antisense drugs reported.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- AVI BioPharma, Inc., (AVII) presented confirmatory positive results on the inhibition of the SARS coronavirus using its Neugene antisense drugs. Michael Buchmeier, PhD, of The Scripps Research...

Muscle-derived stem cells may have limited hematopoietic potential.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- With standard harvesting techniques, muscle-derived stem cells have limited hematopoietic potential. According to scientists in the United States, "Recent studies have suggested a remarkable...

CMV-seropositive donors might be preferable for seropositive SCT recipients.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Cytomegalovirus (CMV)-seropositive stem-cell donors may increase the safety and efficacy of transplantation for CMV-seropositive recipients. CMV infection "has been a major cause of morbidity and...

Ammoniation removes aflatoxin B-1 from contaminated rice.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Ammoniation removes aflatoxin B-1 from contaminated rice. "Rice, a cereal widely used in Venezuela for human and animal nutrition, is susceptible to aflatoxin contamination in the field and during...

Study reviews issues of DVT associated with central venous catheters.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Additional studies may be needed to provide sound recommendations for upper-limb deep venous thrombosis (UL-DVT) prophylaxis in cancer patients with long-term central venous catheters (CVCs). ...

Hepatitis C virus core protein uses NF-kappaB to transactivate a key enzyme.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Hepatitis C virus core protein uses NF-kappa B to transactivate a key enzyme. According to a study from Spain, "intrahepatic levels of the inducible nitric oxide synthase (iNOS) are increased in...

Longer interferon regimens might clear hepatitis D virus.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- Longer interferon regimens might clear hepatitis D virus. According to published research from Turkey, "chronic hepatitis B virus (HBV) infection is a common infectious disease in the world. Two...

New techniques purify adeno-associated virus type 5 with less work.
February 3, 2004... 2004 FEB 3 - (NewsRx.com & NewsRx.net) -- New techniques purify adeno-associated virus type 5 with less work. According to published research from the United States, "viral vectors derived from adeno-associated virus (AAV) are rapidly...